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use c16_t type for pm weights, as it is already same type

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simplify SIMD version of precoder
This commit is contained in:
Laurent THOMAS
2025-10-09 16:04:43 +02:00
parent fb47748fae
commit e056acc896
7 changed files with 282 additions and 414 deletions
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openair2/LAYER2/NR_MAC_gNB/config.c
+6 -8
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@@ -136,8 +136,7 @@ int precoding_weigths_generation(nfapi_nr_pm_list_t *mat,
nfapi_nr_pm_weights_t *weights = &mat->pmi_pdu[pmiq].weights[j_col][i_rows];
res_code = sqrt(1 / (double)L) * v_lm[llc][mmc][i_rows];
c16_t precoder_weight = convert_precoder_weight(res_code);
weights->precoder_weight_Re = precoder_weight.r;
weights->precoder_weight_Im = precoder_weight.i;
*weights = precoder_weight;
LOG_D(PHY,
"%d Layer Precoding Matrix[pmi %d][antPort %d][layerIdx %d]= %f+j %f -> Fixed Point %d+j %d \n",
L,
@@ -146,15 +145,14 @@ int precoding_weigths_generation(nfapi_nr_pm_list_t *mat,
j_col,
creal(res_code),
cimag(res_code),
weights->precoder_weight_Re,
weights->precoder_weight_Im);
weights->r,
weights->i);
}
for (int i_rows = N1 * N2; i_rows < 2 * N1 * N2; i_rows++) {
nfapi_nr_pm_weights_t *weights = &mat->pmi_pdu[pmiq].weights[j_col][i_rows];
res_code = sqrt(1 / (double)L) * (phase_sign)*theta_n[nn] * v_lm[llc][mmc][i_rows - N1 * N2];
c16_t precoder_weight = convert_precoder_weight(res_code);
weights->precoder_weight_Re = precoder_weight.r;
weights->precoder_weight_Im = precoder_weight.i;
*weights = precoder_weight;
LOG_D(PHY,
"%d Layer Precoding Matrix[pmi %d][antPort %d][layerIdx %d]= %f+j %f -> Fixed Point %d+j %d \n",
L,
@@ -163,8 +161,8 @@ int precoding_weigths_generation(nfapi_nr_pm_list_t *mat,
j_col,
creal(res_code),
cimag(res_code),
weights->precoder_weight_Re,
weights->precoder_weight_Im);
weights->r,
weights->i);
}
}
pmiq++;